Medium wall heat shrinkable tubing suitable for a variety of low voltage electrical and mechanical applications, where lighter weight and greater flexibility are important. Seals and protects cable splices and terminations with high resistance to impact and abrasion.
As supplied ID (min), after recovery ID (max), wall thicknesses, and standard length per piece
| Size (mm) | As Supplied ID (min) (mm) | After Recovery ID (max) (mm) | Outer Layer Wall (mm) | Adhesive Layer Wall (mm) | Total Wall Thickness (mm) | Standard Length (m/pc) |
|---|
*Standard length: 1.22 meters per piece (m/pc) for all sizes.
Material properties and hot melt adhesive performance
| Property | Test Method | Standard |
|---|---|---|
| Tensile Strength (MPa) | ASTM D2671 | ≥10.4 |
| Elongation (%) | ASTM D2671 | ≥300 |
| Density (g/cm³) | ASTM D792 | 1.2 |
| Longitudinal change (%) | UL 224 | ≤±10 |
| Elongation after aging (%) | UL224 158°C×168h | ≥200 |
| Heat shock | UL224 225°C×4h | No cracking |
| Dielectric strength (kV/mm) | IEC 243 | ≥20 |
| Volume resistivity (Ω·cm) | IEC 93 | ≥10¹⁴ |
| Water absorption (%) | ASTM D570 | ≤0.5 |
| Property | Test Method | Standard |
|---|---|---|
| Water absorption | ASTM D570 | ≤0.2% |
| Softening point | ASTM E28 | 95°C |
| Peel strength (PE) | ASTM D1000 | 120 N/25mm |
| Peel strength (AL) | ASTM D1000 | 80 N/25mm |